Home / 86,490.03-119,353.53-50,703.88

Finding the Fourth Proportional to 86,490.03, 119,353.53 and 50,703.88

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Solution

The fourth proportional to 86,490.03, 119,353.53 and 50,703.88 is: 69,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.03 : 119,353.53 = 50,703.88 : x
  2. Step 2: Convert to fraction form
    86,490.03/119,353.53 = 50,703.88/x
  3. Step 3: Cross multiply
    86,490.03x = 119,353.53 × 50,703.88
  4. Step 4: Simplify right side
    86,490.03x = 6,051,687,062.70
  5. Step 5: Solve for x
    x = 6,051,687,062.70/86,490.03
  6. Step 6: Final answer
    x = 69,969.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.